a

利用小波模极大值计算 可以人工设定阈值 用于检测图像边缘(Using wavelet modulus maxima can be calculated manually set the threshold for Image Edge Detection)

基于协作的认知无线电中，AF，DF协议及未采用协作分集技术的中断概率的实验仿真程序(In collaborative spectrum sensing cognitive radio, AF, DF protocol and did not use cooperative diversity outage probability experiment simulation program)

适用于机械最优化设计课程的最速下降法程序(For mechanical optimization design course program steepest descent method)

Several modal identification techniques have been developed in the past few decades, and their use is rapidly expanding due to new focus on the instrumentation of major structures. This paper focuses on the expansion of the eigenvalue realization algorithm (ERA)–observer Kalman filter identification

自动控制原理中应用仿真软件对系统的频率响应和稳定性的研究(The application of the principle of automatic control system simulation software, the frequency response and stability study)

用matlab编写的世界名曲---卡农！(Canon by matlab! enjoy！)

unslotted model of sensor networks

计算Einstein场方程的mathematica程序包。输入变量和度规。自动计算里奇张量和曲率张量。( calculate Ricci Tensor and the Curvature Scalar)

addmitance matrix for solving load flow analysis

说明：  四旋翼无人机是一种可以被遥控也可以在无人为控制的状态下执行预定任务的飞行器，与传统直升机相比四旋翼飞行器的机械结构简单，且具有高精度，灵活精度以及较低成本的特点，被广泛用于军事侦察，农艺播撒、快递派送、摄影工作等领域。四旋翼飞行器自身具有欠驱动、多变量、非线性等特性，在外界的噪声干扰情况下，增加了四旋翼无人机的不稳定以及控制系统的设计难度。所以对四旋翼飞行器的位姿控制的研究，可以开拓科研人员对控制算法以及滤波算法的认知，具有重要的研究意义。(Four-rotor UAV is a kind of aircraft that can be controlled remotely or perform scheduled tasks without human control. Compared with traditional helicopters, the Four-rotor UAV has simple mechanical structure, high precision, flexible precision and low cost. It is widely used in military reconnaissance, agricultural broadcast, express delivery, photography and other fields. Four-rotor UAV has the characteristics of under-actuation, multi-variable and non-linearity. Under the circumstance of external noise, the instability of Four-rotor UAV and the difficulty of control system design are increased. Therefore, the research on attitude control of Four-rotor aircraft can broaden the knowledge of control algorithm and filtering algorithm for researchers, and has important research significance.)